La fuerza y el movimiento (Forces and Motion)

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

Kids often play with magnets, yet they don't learn how these playthings work for many years. Practical knowledge from their play can help them learn more about magnetism, and so can this book. Specially written for those with reading challenges or readers looking for a review, the main text covers important vocabulary, magnetic fields, and a discussion of why metals and magnets come together. Diagrams and succinct fact boxes offer additional ways to learn each concept and explain some ideas in greater detail.

Los ríos son capaces de encumbrar o arruinar civilizaciones enteras, dividir culturas o unirlas, y proporcionan pistas decisivas sobre el origen del ser humano. Sumérgete en la apasionante historia de Egipto a través del NILO, conoce a los príncipes bandoleros del RIN, asómbrate con la rica diversidad del AMAZONAS o con las sagradas aguas del GANGES. Descubre qué secreto se esconde en el fondo del río AWASH, cómo el ZAMBEZE cambió África para siempre o por qué casi cualquier canción de éxito se remonta al MISISIPI. Averigua el papel crucial del TÁMESIS, el YANTSÉ y el TIGRIS y...

Esta es una historia que trata de mostrar a niños, jóvenes y a adultos la importancia de cuidar de los diversos seres que constituyen nuestro planeta. Se refiere a una pequeña mofeta que viaja por distintos países en busca de su familia y, durante su recorrido, se describe los exquisitos paisajes, con su flora y fauna. De esta forma, niños, jóvenes y adultos, a través de la descripción, irán haciendo un hermoso recorrido por diversos y maravillosos lugares del planeta.

Through innovation and imagination, savvy entrepreneur Richard King became a towering figure in the Texas cattle industry. The King Ranch, which continues to flourish today, is a symbol of his enduring legacy.

Postmodernism represents incredible challenges, but the beauty is that we can find in the Bible many characters who had to confront similar tests to the ones we face today.